8031920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7723}}^1$

素因数の和:7749

約数の個数: 40

約数和(自身を含む): 20113296

約数和(自身を除く): 12081376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7723, 15446, 30892, 38615, 61784, 77230, 100399, 123568, 154460, 200798, 308920, 401596, 501995, 617840, 803192, 1003990, 1606384, 2007980, 4015960, 8031920]

約数ペア:

[(1, 8031920), (2, 4015960), (4, 2007980), (5, 1606384), (8, 1003990), (10, 803192), (13, 617840), (16, 501995), (20, 401596), (26, 308920), (40, 200798), (52, 154460), (65, 123568), (80, 100399), (104, 77230), (130, 61784), (208, 38615), (260, 30892), (520, 15446), (1040, 7723)]